Showcase Presents: Superman #3

When John Kiley exposes Clark Kent’s secret identity using Kryptonite, chaos erupts as Supergirl and the Superman Emergency Squad move in—only to find themselves locked in a battle that blurs the line between hero and threat. The clash of powers and principles ignites a conflict that tests loyalty, truth, and what it truly means to wear the cape.

In "The Story Of Superman's Life!", we follow the journey of a young alien born on a dying planet, sent to Earth to begin a new life. Raised by the loving Kents in Smallville, he grows up learning the values of compassion and courage, discovering his powers, and stepping into the role of Superboy before facing the bittersweet moment of leaving home to build a future in Metropolis and join the Daily Planet.

In this 2007 tale from *Showcase Presents: Superman #3*, Lex Luthor reaches across time to forge an alliance with the Legion of Super-Villains from the 30th century, setting the stage for a clash that spans eras. When an adult Legion of Super-Heroes arrives in the 20th century to aid Superman, the battle lines are drawn between past, present, and future.

In "The Man Who Saved Kal-El's Life!", Superman encounters Professor Dunn, a scientist who once visited Krypton and shared a fateful meeting with Jor-El before the planet's destruction. When two criminals begin a spree using stolen plans for Dunn's "Matter-Radio" device, Superman must uncover how the past is now fueling a dangerous present—before the technology falls into even darker hands.

In "The Red Kryptonite Menace!", two shape-changing Durlans from the 30th century descend on Earth with a dangerous mission: gather red and green kryptonite to destroy Superman. When three mysterious red kryptonite meteors strike, Superman is suddenly granted strange new powers—wishes that come true, flames from his mouth, and the ability to read minds—leaving him both empowered and unbalanced.

In "The Robot Master!" from Showcase Presents: Superman #3, Superman and Supergirl race to uncover the identity of a mysterious foe who's unleashed robot duplicates of Perry White, Lois Lane, Jimmy Olsen, and even Clark Kent himself—each perfectly mimicking their real counterparts. With the city on edge and trust in question, the two heroes must piece together the truth before the androids cause irreversible damage.

In "Half A Superman!", a strange comet showering Red Kryptonite over Metropolis leaves Superman's left side and Krypto's right side dangerously exposed—just as Lois Lane sets out to prove once and for all that Superman is really Clark Kent. With his powers uneven and his usual confidence shaken, Superman must navigate a day of unexpected vulnerability, all while Lois’s investigation takes a surprising turn.

In "Superman's Death Sentence! [The Last Days of Superman! part 1]," a Kryptonian artifact carrying the deadly Virus X crashes on Earth, and despite Superman’s efforts to contain it by burying it beneath a massive boulder, he begins to show signs of exposure. With only thirty days to live, the Man of Steel must confront the grim reality of his impending death, even as he tries to maintain his mission of protecting humanity.

In "Superman's Last Day of Life! [The Last Days of Superman! part 3]," as Superman prepares for what he believes to be his final moments, emotional farewells with those he loves unfold in quiet, poignant moments. When Supergirl uncovers the truth—that Superman was never infected by Virus X—Mon-El’s long-awaited message from the Phantom Zone reveals a startling new threat behind Superman’s fading strength.